Folding knife



FIG. 1 is a perspective view of a folding knife according to our newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right, side view thereof;

FIG. 5 is a left, side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Conventional shading is illustrated for purposes of highlighting theline drawings, but forms no part of the claimed design.

CLAIM The ornamental design for a folding knife, as shown and described.